- If you leave this disabled, busybox will use the system's password
- and group functions. And if you are using the GNU C library
- (glibc), you will then need to install the /etc/nsswitch.conf
- configuration file and the required /lib/libnss_* libraries in
- order for the password and group functions to work. This generally
- makes your embedded system quite a bit larger.
+ If you leave this disabled, busybox will use the system's password
+ and group functions. And if you are using the GNU C library
+ (glibc), you will then need to install the /etc/nsswitch.conf
+ configuration file and the required /lib/libnss_* libraries in
+ order for the password and group functions to work. This generally
+ makes your embedded system quite a bit larger.
+
+ Enabling this option will cause busybox to directly access the
+ system's /etc/password, /etc/group files (and your system will be
+ smaller, and I will get fewer emails asking about how glibc NSS
+ works). When this option is enabled, you will not be able to use
+ PAM to access remote LDAP password servers and whatnot. And if you
+ want hostname resolution to work with glibc, you still need the
+ /lib/libnss_* libraries.
+
+ If you need to use glibc's nsswitch.conf mechanism
+ (e.g. if user/group database is NOT stored in /etc/passwd etc),
+ you must NOT use this option.
+
+ If you enable this option, it will add about 1.5k.
+
+config BUSYBOX_CONFIG_USE_BB_SHADOW
+ bool "Use internal shadow password functions"
+ default n
+ depends on BUSYBOX_CONFIG_USE_BB_PWD_GRP && BUSYBOX_CONFIG_FEATURE_SHADOWPASSWDS
+ help
+ If you leave this disabled, busybox will use the system's shadow
+ password handling functions. And if you are using the GNU C library
+ (glibc), you will then need to install the /etc/nsswitch.conf
+ configuration file and the required /lib/libnss_* libraries in
+ order for the shadow password functions to work. This generally
+ makes your embedded system quite a bit larger.
+
+ Enabling this option will cause busybox to directly access the
+ system's /etc/shadow file when handling shadow passwords. This
+ makes your system smaller (and I will get fewer emails asking about
+ how glibc NSS works). When this option is enabled, you will not be
+ able to use PAM to access shadow passwords from remote LDAP
+ password servers and whatnot.
+
+config BUSYBOX_CONFIG_USE_BB_CRYPT
+ bool "Use internal crypt functions"
+ default n
+ help
+ Busybox has internal DES and MD5 crypt functions.
+ They produce results which are identical to corresponding
+ standard C library functions.